{"id":55628,"date":"2025-11-20T15:20:20","date_gmt":"2025-11-20T15:20:20","guid":{"rendered":"https:\/\/capp-usa.org\/?p=55628"},"modified":"2026-03-23T14:34:12","modified_gmt":"2026-03-23T14:34:12","slug":"overpopulation-fears-malthusian-theory-paul-ehrlich","status":"publish","type":"post","link":"https:\/\/capp-usa.org\/es\/2025\/11\/overpopulation-fears-malthusian-theory-paul-ehrlich\/","title":{"rendered":"The Overpopulation Fear: The Malthusian Theory and Paul Ehrlich (Part 1)"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”Section” module_class=”mosaic_width” _builder_version=”4.21.0″ background_color=”#054368″ height=”35px” height_tablet=”” height_phone=”35px” height_last_edited=”on|phone” max_height=”35px” max_height_tablet=”” max_height_phone=”35px” max_height_last_edited=”on|phone” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”0px|0px|0px|0px|false|false” da_disable_devices=”off|off|off” locked=”off” collapsed=”off” global_colors_info=”{}” da_is_popup=”off” da_exit_intent=”off” da_has_close=”on” da_alt_close=”off” da_dark_close=”off” da_not_modal=”on” da_is_singular=”off” da_with_loader=”off” da_has_shadow=”on”][et_pb_row module_class=” et_pb_row_fullwidth” _builder_version=”4.16″ width=”100%” width_tablet=”100%” width_phone=”” width_last_edited=”on|desktop” max_width=”100%” max_width_tablet=”100%” max_width_phone=”” max_width_last_edited=”on|desktop” min_height=”35px” height=”35px” max_height=”35px” custom_margin=”0px|auto|0px|auto|false|false” custom_padding=”0px||0px||false|false” link_option_url=”\/covid19″ make_fullwidth=”on” collapsed=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”0px|0px|0px|0px” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”\/overpopulation-fears-malthusian-theory-paul-ehrlich\/#newsletter” button_text=”Join our Newsletter” button_alignment=”center” module_class=”hover-btn-border” _builder_version=”4.27.4″ _module_preset=”default” custom_button=”on” button_text_size=”16px” button_text_color=”#ffffff” button_border_width=”0px” button_border_radius=”0px” button_font=”|600|||||||” button_icon=”5||divi||400″ button_on_hover=”off” custom_margin=”2px||||false|false” custom_margin_tablet=”” custom_margin_phone=”||||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||||false|false” custom_padding_tablet=”” custom_padding_phone=”0px|50px|0px|50px|false|false” custom_padding_last_edited=”on|phone” custom_css_main_element=”font-family: %22Playfair Display%22″ global_colors_info=”{}” button_text_color__hover_enabled=”on” button_text_color__hover=”#ffffff”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.16″ custom_padding=”0px||0px||false|false” da_disable_devices=”off|off|off” global_colors_info=”{}” da_is_popup=”off” da_exit_intent=”off” da_has_close=”on” da_alt_close=”off” da_dark_close=”off” da_not_modal=”on” da_is_singular=”off” da_with_loader=”off” da_has_shadow=”on”][et_pb_row _builder_version=”4.16″ background_color=”#f2f2f2″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”||50px||false|false” background_color_phone=”#FFFFFF” background_last_edited=”on|desktop” background_enable_color_phone=”on” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text module_class=”bullets-module” _builder_version=”4.27.5″ text_font_size=”16px” quote_text_color=”#eb7425″ quote_font_size=”17pt” background_size=”initial” background_position=”top_left” background_repeat=”repeat” text_orientation=”justified” max_width=”75%” max_width_tablet=”” max_width_phone=”100%” max_width_last_edited=”on|desktop” module_alignment=”center” custom_padding=”20px|||0px|false|false” custom_padding_tablet=”” custom_padding_phone=”0px||||false|false” custom_padding_last_edited=”on|phone” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

The Overpopulation Myth<\/strong><\/span><\/h2>\n

<\/strong><\/span><\/p>\n

This series argues that the modern fear of overpopulation rests on a flawed understanding of the human person<\/strong>. The Church proposes a different diagnosis: the real crisis is not too many people, but too much consumerism, and too little integral human development. It is written for readers concerned about ecology, development, and human dignity \u2014 especially those who have been told these goals are in conflict.<\/span><\/p>\n

<\/span><\/p>\n

PART 1<\/strong><\/span><\/p>\n

The Malthusian Theory, Paul Ehrlich, and Other Failed Predictions<\/span><\/h1>\n

<\/span><\/span><\/span><\/p>\n

In 1968, Paul Ehrlich predicted mass starvation by 1980<\/strong>. Instead, global calories per person rose 30%. The \u201cpopulation bomb\u201d never exploded. Here\u2019s the data and the truth as taught by the Church.<\/span><\/span><\/span><\/p>\n

<\/span><\/span><\/span><\/p>\n

by CAPP-USA<\/span><\/span><\/h5>\n

 <\/p>\n

The Prediction That Failed<\/span><\/strong><\/h2>\n

 <\/p>\n

\n

\"The<\/p>\n

The Malthusian theory, Paul Ehrlich, and the Club of Rome all stoked the myth of overpopulation.<\/p>\n<\/div>\n

For more than half a century, the world has feared that human numbers would overwhelm the planet\u2019s ability to sustain life. Governments warned of famine, resource exhaustion, and ecological collapse. The \u201cpopulation bomb,\u201d they said, was ticking.<\/span><\/p>\n

This question came to dominate public life in the late twentieth century.<\/span><\/p>\n

This finds its roots in the 18th century with Thomas Malthus and the Malthusian Theory, and seemed to culminate in the late 60s and early 70s.<\/span><\/p>\n

In 1968, biologist Paul Ehrlich made his infamous prediction: \u201cHundreds of millions of people will starve to death\u2026nothing can prevent a substantial increase in the world death rate.\u201d\u00a0(Paul Ehrlich, The Population Bomb (New York: Ballantine Books, 1968), p. 11) <\/span><\/em><\/span>He warned that India could not possibly feed two hundred million more people by 1980. The battle to feed humanity, he said, was already lost.<\/span><\/span><\/span><\/p>\n

Ehrlich\u2019s warnings were not novel. They rested on a theory first articulated by Thomas Malthus in 1798: that population grows geometrically while food and resources grow only arithmetically, leading inevitably to scarcity, famine, and collapse. The logic seemed airtight. More people meant more mouths to feed, and therefore less for everyone.<\/span><\/span><\/span><\/p>\n

But both Malthus and his modern heirs shared a critical error: they treated human beings only as consumers of resources, not as creators of solutions. They counted mouths, but not minds.
\n<\/span><\/span><\/span><\/p>\n

The Church saw something these models missed entirely. As Pope St. John XXIII taught in 1961, \u201cThe resources which God in His goodness and wisdom has implanted in nature are well-nigh inexhaustible, and He has at the same time given man the intelligence to discover ways and means of exploiting these resources for his own advantage and his own livelihood.\u201d (Mater et Magistra, 189)<\/a> <\/span><\/span><\/span><\/p>\n

In other words, from the Church\u2019s perspective the problem was never people themselves. Long before the panic began, the Church insisted that the central question was not how many people the Earth could hold, but how societies understand the human person. Are human beings merely consumers of resources \u2014 or are they also creators, stewards, and bearers of God-given intelligence?<\/span><\/span><\/span><\/p>\n

Human creativity is not a fixed quantity. It is a dynamic force \u2014 one that can grow, adapt, and respond to challenges. The real question, then, is not whether population would grow, but whether human creativity, cooperation, and moral responsibility would grow with it.<\/span><\/span><\/span><\/p>\n

The last fifty years provide a clear answer.<\/span><\/span><\/span><\/p>\n

The Population Bomb Never Exploded<\/span><\/strong><\/h2>\n

<\/span><\/p>\n

Reality delivered a different verdict.<\/strong> India\u2019s population today exceeds 1.4 billion \u2014 more than three times Ehrlich\u2019s \u201cimpossible\u201d threshold \u2014 and Indians are better fed than ever before. Rather than mass starvation, the world experienced the greatest reduction in extreme poverty in human history: a decline of roughly 90 percent since 1990. (World Bank)<\/a><\/span><\/p>\n

So, was there ever an overpopulation problem? The evidence, and the Church\u2019s enduring wisdom, suggest otherwise. This article series examines what actually happened when population grew, why the dire predictions failed, and what damage was done when fear replaced faith in the human person.<\/span><\/p>\n

The Stakes: Why This Matters<\/span><\/strong><\/h2>\n


\nThis wasn’t merely an academic debate. Ideas have consequences, and the consequences of population alarmism were devastating\u2014particularly for the world’s poor.<\/span><\/span><\/p>\n

In 1961, even before the panic reached its height, Pope St. John XXIII saw the danger and offered a prophetic warning: \u201cNo statement of the problem and no solution to it is acceptable which does violence to man\u2019s essential dignity<\/strong>\u201d. (Mater et Magistra, 191)<\/a><\/span><\/span><\/p>\n

Over the following decades, fear of population growth justified policies that would have been unthinkable in any other context. In India during the mid-1970s, more than 11 million people were sterilized\u2014many under coercion, some at gunpoint. In China, the one-child policy led to forced abortions, abandoned daughters, and a demographic catastrophe still unfolding today. In Peru, indigenous women were sterilized without their knowledge or consent.<\/span><\/p>\n

These weren’t isolated abuses. They were systematic campaigns, often funded by Western governments and international organizations convinced they were saving the planet.<\/span><\/p>\n

The Church entered this conversation not as a demographic analyst, but as the guardian of human dignity. As Pope St. Paul VI wrote in 1967, \u201cThere is the rapid increase in population which has made many fear that world population is going to grow faster than available resources\u201d.<\/span> (Humanae Vitae, 2)<\/a> <\/span><\/p>\n

But the Church insisted on asking a different question: Not \u201cHow do we reduce human numbers?\u201d but \u201cHow do we build societies that respect every human life?<\/strong>\u201d <\/span><\/p>\n

The evidence shows that respect for human dignity\u2014not fear of human numbers\u2014is the path to genuine development. Let’s examine what the prophets of doom predicted, and what actually happened.<\/span><\/p>\n

What the Malthusian Prophets of Doom Predicted<\/span><\/strong><\/h2>\n

THE 1968 POPULATION BOMB<\/strong><\/span>
\n<\/span><\/h3>\n

Paul Ehrlich’s apocalyptic vision captured global attention<\/strong>. His predictions were stark and specific: mass starvation would claim hundreds of millions by 1980, food production could never keep pace with population growth, and environmental collapse was inevitable.<\/span><\/p>\n

He wasn’t alone. In 1972, the Club of Rome issued its influential report Limits to Growth, concluding that if current growth trends continued unchanged, the limits to growth on Earth would be reached sometime within the next one hundred years\u2014by 2072<\/strong>. (Limits to Growth)<\/a> <\/span><\/p>\n

The report predicted: “Given present resource consumption rates and the projected increase in these rates, the great majority of currently nonrenewable resources will be extremely expensive 100 years from now.”\u00a0<\/span><\/p>\n

THE MALTHUSIAN THEORY<\/strong><\/span>
\n<\/span><\/h3>\n
\n

\"The<\/p>\n

The Wager That Proved the World Isn’t Running Out<\/strong><\/p>\n

In 1980, economist Julian Simon challenged Paul Ehrlich to a famous bet. Simon argued that human innovation makes resources more abundant, not less. Ehrlich, maintaining his \u201cPopulation Bomb\u201d stance, chose five metals (copper, chromium, nickel, tin, and tungsten) that he was certain would rise in price due to scarcity by 1990.<\/p>\n

The Result? Despite the world population increasing by 800 million during that decade, the price of every single one of those metals dropped significantly. Simon won. The lesson: The human mind\u2014the ‘ultimate resource’\u2014constantly finds substitutes and efficiencies that bypass the physical limits of matter.<\/p>\n<\/div>\n

These predictions rested on a theory first articulated by Thomas Malthus in 1798: that population grows geometrically (2, 4, 8, 16) while food and resources grow only arithmetically (2, 3, 4, 5),<\/strong> leading inevitably to scarcity, famine, and collapse.<\/span><\/p>\n

The logic seemed airtight. Population had indeed grown rapidly\u2014from 3 billion in 1960 to over 4 billion by 1974. Poverty and hunger were visible across the developing world. Recent memories of wartime scarcity made shortage seem plausible.<\/span><\/p>\n

But these models made a critical error:<\/strong> they treated humans as merely consumers of resources, never as creators of solutions<\/strong>. <\/span>They counted mouths to feed but never hands to work or minds to innovate. They saw people as the problem, not as the answer.<\/span><\/p>\n

As previously noted, the Church, by contrast, saw something the models missed entirely. <\/span>As Pope St. John XXIII had already proclaimed in 1961: \u201cThe resources which God in His goodness and wisdom has implanted in nature are well-nigh inexhaustible, and He has at the same time given man the intelligence to discover ways and means of exploiting these resources for his own advantage and his own livelihood.\u201d (Mater et Magistra, 189)<\/a> <\/span><\/p>\n

In other words, <\/span>human creativity is not a fixed constant but a dynamic force\u2014one that can grow faster than population itself<\/b>. The question is: Did reality confirm the Malthusian nightmare, or vindicate the Church’s confidence in human creativity? The data provide a clear answer.<\/span><\/span><\/p>\n

At A Glance<\/span><\/strong><\/h2>\n


\nPART 1 \u2014 Overpopulation Fears and the Malthusian Legacy <\/strong><\/span><\/p>\n

What we\u2019ve seen:<\/strong><\/span><\/p>\n